Scientific Method
What step of the scientific method does a scientist use when she listens to the sounds that whales make?
Making an observation
A scientific investigation usually begins with. . .
an observation
What is it called when you use your senses or tools to notice things about an object or event?
Observation
What is a variable?
Anything that changes in an experiment.
True or False: Scientific questions can be answered with an opinion.
False
What term is defined as "a step-by-step process to answer a scientific question?"
Scientific Method
True or False: A hypothesis is a testable, educated guess based on observation and research.
True
What is a qualitative observation?
An observation that describes characteristics or qualities using the senses.
What is an independent variable?
A variable scientists change or manipulate.
This is an example of a good, testable question: "Why is the sky blue?"
No
True or False: the scientific method is what scientists use to learn and study the world around them.
True
Which two parts of the scientific method are often included as one step?
Observation and Question
What is a quantitative observation?
An observation that involves numbers or measurements.
Which variable does the scientist change?
Independent
What is the difference between objective and subjective?
Objective: Factual
Subjective: Opinion-based
True or False: Experiments are usually only done one time and only by one person or team to speed up the scientific process.
False
What is the order of the scientific method?
Observation, Question, Research, Hypothesis, Experiment, Analysis, Conclusion
The process of obtaining information by using your senses is called
observing
What is a dependent variable?
A variable that is measured or observed in an experiment.
1. Is it testable?
2. Can the experiment be repeated?
3. Independent variable?
4. Dependent variable?
Why do scientists follow the scientific method?
To make sure their conclusions are based on reliable data and are repeatable.
After scientists finish an experiment, what is the next step when they look at the data they collected?
Analyze the data
To provide context to our quantitative observations, we must include what after it? Example. 20 _____.
a label or units
What words help us to identify the dependent variable in a scientific question?
Impacts, Causes, Affects
What are the characteristics of a scientific question?
Objective, Specific, Measurable, Attainable, Relevant, Timely